Weather in Austin in September
Austin, United States averages a high of 31.7°C (89.1°F) and low of 22°C (71.6°F) in September, with 8 rain days and 10.3 hours of daily sunshine. Travel score: 88.9/100 (Excellent). The best time to visit Austin is September.
High
32°C89°F
Low
22°C72°F
🌧️
8
rain days
☀️
10.3
hrs/day sunshine
💧
65%
humidity
89— Excellent
September in Austin is hot and mostly dry — excellent conditions for exploring.
What are the average temperatures in Austin?
How much does it rain in Austin in September?
Austin receives an average of 78.6mm of rainfall across 8 rainy days in September. The annual total is 928.2mm.
What should I pack for Austin in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light, breathable clothing
Hot weather with highs around 32°C
🧢
Sun hat or cap
Protection from intense sun
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to United States in September?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31